We are a industrail Co. Ltd. We manufacture all kinds of valves, flanges, fittings, precisely-casting & finishing spare parts and various pipes. We have established over 30 domestic supply factories and enterprises since and have been exporting our products on large scale abroad. The suppliers factories have API & ISO certifacate and is capable to provide DIN50049.3.1B MILL TEST CERTIFICATE. We are able to provide you all kinds of best quality and favorable price product as above and prompt delivery. Interested in any item, please contact us and we will send our technical information including catelogues, best-price list and certificate copies etc to you via mail.